On the Data tab, click Sort
Sort by your col, sort on Cell Color (or Font Color and Cell Icon), and select the color for the first level.
Click 'Copy Level'and select the other color if necessary.
Click OK.

My attempt to use PowerShell and other great resources found online to simplify the deployment of Office 365 ProPlus client components to any workstation that needs it, regardless of existing Office components that may be needing attention.